This weekend on The iHeartRadio Countdown with Mario Lopez the very talented Alison Brie will be checking in! Her new movie 'The Rental' just dropped in select drive in theaters and on demand! Her husband Dave Franco actually made his directorial debut with this film as well! So we'll catch up with her about that, the rumors of a 'Community' reunion and much more! Plus we'll play some throwback classics, countdown the top 20 and more! Tune in!